gatsby-node.js

if (!process.env.GATSBY_SANITY_TOKEN) {
  exports.sourceNodes = ({ actions, createNodeId, createContentDigest }) => {
    const { createNode } = actions
    const POST_NODE_TYPE = 'SanitySiteSettings'
    const post = {
      _rawWebsiteScripts: ['test'],
    }

    createNode({
      ...post,
      id: createNodeId(`${POST_NODE_TYPE}`),
      parent: null,
      children: [],
      internal: {
        type: POST_NODE_TYPE,
        contentDigest: createContentDigest(post),
      },
    })
  }
}

exports.onPostBuild = () => {
  const fs = require('fs')

  /*
   * If sitemap exists in /public/sitemaps folder, move sitemap-0.xml
   * to root folder (/public) & rename to sitemap-docs.xml
   */
  if (fs.existsSync('./public/sitemaps/sitemap-0.xml')) {
    fs.renameSync(
      './public/sitemaps/sitemap-0.xml',
      './public/sitemap-docs.xml'
    )

    /* Remove the /public/sitemaps folder */
    fs.rmSync('./public/sitemaps', { recursive: true, force: true })
  }
}